LCB2000/2 AND LCB2500/2
Premium Loop & Circuit Breaker Testers
SPECIFICATION
SUPPLY VOLTAGE
Instruments are designed to
work on supplies of 110 - 440
V, 50/60 Hz overvoltage
Category III with a maximum
voltage to Earth of 300 V
Supply Voltage
Measurement:
25 - 500 V
Intrinsic accuracy:
±2% ±2 digits
Supply Frequency
Measurement:
16 - 460 Hz
Intrinsic accuracy:
±0,1% ±1 digit
LINE-EARTH LOOP
RESISTANCE
MEASUREMENT
(to EN 61557-3)
Displayed Range:
0,01 Ω to 3,00 kΩ
Supply Range:
100 - 280 V
Nominal Supply:
230 V, 50 Hz
EN61557 Operating Range:
0,25 Ωto 3,00 kΩ
Intrinsic accuracy:
0,01 Ω - 9,99 Ω ±4% ±0,03 Ω
10,0 Ω - 89,9 Ω ±5% ±0,5 Ω
90 Ω - 899 Ω ±5% ±5 Ω
900 Ω - 3,00 kΩ ±5% ±20 Ω
LINE - LINE (Phase/Phase)
LOOP RESISTANCE
MEASUREMENT (to EN
61557-3)
Displayed Range:
0,01 Ω to 19,99 Ω
Supply Range:
100-440V Phase to Phase
Nominal Supply:
230 V, 50 Hz
EN61557 Operating Range:
0,25 Ω to 19,99 Ω
Intrinsic accuracy:
±5% ±0,03 Ω
PROSPECTIVE FAULT
CURRENT
Prospective fault current =
Nominal voltage
Loop resistance
Prospective Fault Current is
calculated from the respective
loop resistance. Ranges and
accuracy’s are therefore
derived from the previous
section.
LINE - EARTH LOOP
RESISTANCE
MEASUREMENT AT15 mA
(to EN 61557-2)
Loop L-PE 0.1Ω
Displayed Range:
0,1 Ω to 2,00 kΩ
Nominal Supply:
230 V 50 Hz
EN61557 Operating Range:
5,0 Ω to 2,00 kΩ
Intrinsic accuracy:
up to 200 Ω ±3%
±0,3 Ω over 200 Ω ±5% ±5 Ω
Noise Immunity:
1Ω of reading within 0,3 Ω on
a normal domestic supply.
LOOP L-PE 0.01Ω
Displayed Range:
0,01 Ω to 10,00 Ω
EN61557 Operating Range:
0.5 Ω to 10,00 Ω
Nominal Supply:
230 V 50 Hz
Intrinsic accuracy:
±5% ±0,05 Ω
Noise Immunity:
1 Ω of reading within 0,05 Ω
on a normal domestic supply
RCD TESTING (to
EN61557-6 up to 500 mA)
Selectable Ranges:
30, 100, 300, 500, 1000 mA
Variable Range:
10 mA to 1000 mA
Test Facilities:
Contact voltage tests at 11/2 I
∆n Loop resistance tests at 1/2 I
∆n
No Trip tests at
1/2I ∆n
Trip tests at I ∆n, 5I ∆n
Fast Trip test at 150 mA
Ramp tests
RCD Types:
General purpose, delayed
(Selective) and d.c. Sensitive
Nominal Supply:
230 V, 50 Hz
Supply Range:
100 - 280 V, 45 - 65 Hz
1
/2I ∆n TEST CONTACT
VOLTAGE
Displayed range:
0 V to 90 V
Measurement range:
5 V to 90 V
LOOP RESISTANCE
(measured at 1/2 I ∆n )
I ∆n RESOLUTION
10 0,5 kΩ to 9 kΩ
30 170 Ω to 3 kΩ
100 50 Ω to 900 Ω
300 17 Ω to 300 Ω
500 10 Ω to 180 Ω
1000 5 Ω to 90 Ω
2 SECOND NO TRIP TEST
at 1/2 I ∆n (optional)
Test current duration:
2 seconds
Intrinsic Test Current
accuracy:
-8% to -2%
TRIP TESTS
I ∆n Trip Test Automatic 1/2
∆n test, followed by a 30
second delay (Selective type
only) then a Trip test.
General purpose Test:
Ωn test for up to 300 ms
Selective Test:
∆n test for up to 2000 ms
D.C. Sensitive Trip (For
RCDs up to 300 mA)
As the I ∆n Trip Test above,
but test current is a half wave
rectified a.c.with an r.m.s.
value of √2 ∆n.
5I ∆n Trip Test (for RCDs
up to 100 mA)
Test follows the same
sequence of 1/2I ∆n test, 30
second delay (Selective type
only) as the I ∆n test.
General purpose test
5I ∆n test for up to 40 ms
Selective test
5I ∆n test for up to 150 ms
TIMED TRIP TESTS
Trip time displayed Range:
0,1 ms to test time limit
Intrinsic Trip time accura-
cy: ±1% ±1 ms
Intrinsic Test Current accu-
racy: 2% to +8%
Ramp Test (Trip current
measurement)
Automatic 1/2 I ∆n test
followed by a 30 second delay
(Selective type RCD only) then
an incremental ramp test.
Intrinsic Ramp Test Current
accuracy:
±3%
I ∆n RAMP RANGE INCREMENT
10 5 - 15 mA 1 mA
30 15 - 50 mA 1 mA
100 50 - 150 mA 2 mA
300 50 - 300 mA 6 mA
500 250 - 500 mA 10 mA
1000 500 - 1020 mA 52 mA
150 mA 40 ms Trip Test:
Stand alone test at 150 mA for
40 ms
Displayed Range: 0,1 ms to 40
ms
POWER SUPPLY
6 x 1,5 V Alkaline cells type
LR6 or 1,5V nickel cadmium
rechargeable cells.
FUSES
Non replaceable 2 x 7 A (SIBA
70-065-63)
TEMPERATURE RANGE
Operating:
-5ºC to +40ºC up to 90% RH
Storage:
-25ºC to +65ºC up to 90% RH
IEC 61557 / EN 61557
Complies with the following
parts of EN61557, Electrical
safety in low voltage systems
up to 1000 V a.c. and 1500 V
d.c. - Equipment for testing,
measuring or monitoring of
protective measures:-
Part1 - General requirements
Part 2 - Loop resistance
Part 3 - Residual current
devices (RCDs)
Part 10 - Combined Measuring
Equipment.
To Next Page
Loading...
Need help?
General
